Patents by Inventor Michio Sugasawara

Michio Sugasawara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Castor
    Patent number: 3977040
    Abstract: A castor for an article of furniture which comprises a connecting member connected to the article and having a cylindrical portion at the lower side thereof, a wheel having a pair of shafts projecting from both sides thereof, a main body having a generally tubular portion fitted rotatably to the cylindrical portion of the connecting member and an arc-shaped wheel-accommodating-and-bearing portion connected to the tubular portion and having arc-shaped side walls which receive the shafts of the wheel and having at the lower sides thereof resilient portions for preventing slip-off of the wheel.
    Type: Grant
    Filed: February 27, 1975
    Date of Patent: August 31, 1976
    Assignee: Sugatsune Industrial Co., Ltd.
    Inventor: Michio Sugasawara
  • Combined magnetic door stop and striking plate
    Patent number: D259395
    Type: Grant
    Filed: November 27, 1978
    Date of Patent: June 2, 1981
    Assignee: Sugatsune Industrial Co., Ltd.
    Inventor: Michio Sugasawara